2 * Copyright (c) 2010 Broadcom Corporation
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #include <linux/kernel.h>
18 #include <linux/types.h>
19 #include <linux/module.h>
20 #include <linux/pci.h>
23 #include <brcmu_utils.h>
31 #include "phy/phy_hal.h"
32 #include "bottom_mac.h"
38 #define VALID_CHANNEL20_DB(wlc, val) wlc_valid_channel20_db((wlc)->cmi, val)
39 #define VALID_CHANNEL20_IN_BAND(wlc, bandunit, val) \
40 wlc_valid_channel20_in_band((wlc)->cmi, bandunit, val)
41 #define VALID_CHANNEL20(wlc, val) wlc_valid_channel20((wlc)->cmi, val)
43 typedef struct wlc_cm_band {
44 u8 locale_flags; /* locale_info_t flags */
45 chanvec_t valid_channels; /* List of valid channels in the country */
46 const chanvec_t *restricted_channels; /* List of restricted use channels */
47 const chanvec_t *radar_channels; /* List of radar sensitive channels */
54 char srom_ccode[WLC_CNTRY_BUF_SZ]; /* Country Code in SROM */
55 uint srom_regrev; /* Regulatory Rev for the SROM ccode */
56 const country_info_t *country; /* current country def */
57 char ccode[WLC_CNTRY_BUF_SZ]; /* current internal Country Code */
58 uint regrev; /* current Regulatory Revision */
59 char country_abbrev[WLC_CNTRY_BUF_SZ]; /* current advertised ccode */
60 wlc_cm_band_t bandstate[MAXBANDS]; /* per-band state (one per phy/radio) */
61 /* quiet channels currently for radar sensitivity or 11h support */
62 chanvec_t quiet_channels; /* channels on which we cannot transmit */
65 static int wlc_channels_init(wlc_cm_info_t *wlc_cm,
66 const country_info_t *country);
67 static void wlc_set_country_common(wlc_cm_info_t *wlc_cm,
68 const char *country_abbrev,
69 const char *ccode, uint regrev,
70 const country_info_t *country);
71 static int wlc_set_countrycode(wlc_cm_info_t *wlc_cm, const char *ccode);
72 static int wlc_set_countrycode_rev(wlc_cm_info_t *wlc_cm,
73 const char *country_abbrev,
74 const char *ccode, int regrev);
75 static int wlc_country_aggregate_map(wlc_cm_info_t *wlc_cm, const char *ccode,
76 char *mapped_ccode, uint *mapped_regrev);
77 static const country_info_t *wlc_country_lookup_direct(const char *ccode,
79 static const country_info_t *wlc_countrycode_map(wlc_cm_info_t *wlc_cm,
83 static void wlc_channels_commit(wlc_cm_info_t *wlc_cm);
84 static void wlc_quiet_channels_reset(wlc_cm_info_t *wlc_cm);
85 static bool wlc_quiet_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chspec);
86 static bool wlc_valid_channel20_db(wlc_cm_info_t *wlc_cm, uint val);
87 static bool wlc_valid_channel20_in_band(wlc_cm_info_t *wlc_cm, uint bandunit,
89 static bool wlc_valid_channel20(wlc_cm_info_t *wlc_cm, uint val);
90 static const country_info_t *wlc_country_lookup(struct wlc_info *wlc,
92 static void wlc_locale_get_channels(const locale_info_t *locale,
93 chanvec_t *valid_channels);
94 static const locale_info_t *wlc_get_locale_2g(u8 locale_idx);
95 static const locale_info_t *wlc_get_locale_5g(u8 locale_idx);
96 static bool wlc_japan(struct wlc_info *wlc);
97 static bool wlc_japan_ccode(const char *ccode);
98 static void wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm_info_t *
104 local_constraint_qdbm);
105 static void wlc_locale_add_channels(chanvec_t *target,
106 const chanvec_t *channels);
107 static const locale_mimo_info_t *wlc_get_mimo_2g(u8 locale_idx);
108 static const locale_mimo_info_t *wlc_get_mimo_5g(u8 locale_idx);
110 /* QDB() macro takes a dB value and converts to a quarter dB value */
114 #define QDB(n) ((n) * WLC_TXPWR_DB_FACTOR)
116 /* Regulatory Matrix Spreadsheet (CLM) MIMO v3.7.9 */
119 * Some common channel sets
123 static const chanvec_t chanvec_none = {
124 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
125 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
126 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
127 0x00, 0x00, 0x00, 0x00}
130 /* All 2.4 GHz HW channels */
131 const chanvec_t chanvec_all_2G = {
132 {0xfe, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
133 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
134 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
135 0x00, 0x00, 0x00, 0x00}
138 /* All 5 GHz HW channels */
139 const chanvec_t chanvec_all_5G = {
140 {0x00, 0x00, 0x00, 0x00, 0x54, 0x55, 0x11, 0x11,
141 0x01, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x11,
142 0x11, 0x11, 0x20, 0x22, 0x22, 0x00, 0x00, 0x11,
143 0x11, 0x11, 0x11, 0x01}
151 #define radar_set_none chanvec_none
153 static const chanvec_t radar_set1 = { /* Channels 52 - 64, 100 - 140 */
154 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, /* 52 - 60 */
155 0x01, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x11, /* 64, 100 - 124 */
156 0x11, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 128 - 140 */
157 0x00, 0x00, 0x00, 0x00}
161 * Restricted channel sets
164 #define restricted_set_none chanvec_none
166 /* Channels 34, 38, 42, 46 */
167 static const chanvec_t restricted_set_japan_legacy = {
168 {0x00, 0x00, 0x00, 0x00, 0x44, 0x44, 0x00, 0x00,
169 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
170 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
171 0x00, 0x00, 0x00, 0x00}
174 /* Channels 12, 13 */
175 static const chanvec_t restricted_set_2g_short = {
176 {0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
177 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
178 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
179 0x00, 0x00, 0x00, 0x00}
183 static const chanvec_t restricted_chan_165 = {
184 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
185 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
186 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
187 0x00, 0x00, 0x00, 0x00}
190 /* Channels 36 - 48 & 149 - 165 */
191 static const chanvec_t restricted_low_hi = {
192 {0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x01, 0x00,
193 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
194 0x00, 0x00, 0x20, 0x22, 0x22, 0x00, 0x00, 0x00,
195 0x00, 0x00, 0x00, 0x00}
198 /* Channels 12 - 14 */
199 static const chanvec_t restricted_set_12_13_14 = {
200 {0x00, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
201 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
202 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
203 0x00, 0x00, 0x00, 0x00}
206 #define LOCALE_CHAN_01_11 (1<<0)
207 #define LOCALE_CHAN_12_13 (1<<1)
208 #define LOCALE_CHAN_14 (1<<2)
209 #define LOCALE_SET_5G_LOW_JP1 (1<<3) /* 34-48, step 2 */
210 #define LOCALE_SET_5G_LOW_JP2 (1<<4) /* 34-46, step 4 */
211 #define LOCALE_SET_5G_LOW1 (1<<5) /* 36-48, step 4 */
212 #define LOCALE_SET_5G_LOW2 (1<<6) /* 52 */
213 #define LOCALE_SET_5G_LOW3 (1<<7) /* 56-64, step 4 */
214 #define LOCALE_SET_5G_MID1 (1<<8) /* 100-116, step 4 */
215 #define LOCALE_SET_5G_MID2 (1<<9) /* 120-124, step 4 */
216 #define LOCALE_SET_5G_MID3 (1<<10) /* 128 */
217 #define LOCALE_SET_5G_HIGH1 (1<<11) /* 132-140, step 4 */
218 #define LOCALE_SET_5G_HIGH2 (1<<12) /* 149-161, step 4 */
219 #define LOCALE_SET_5G_HIGH3 (1<<13) /* 165 */
220 #define LOCALE_CHAN_52_140_ALL (1<<14)
221 #define LOCALE_SET_5G_HIGH4 (1<<15) /* 184-216 */
223 #define LOCALE_CHAN_36_64 (LOCALE_SET_5G_LOW1 | LOCALE_SET_5G_LOW2 | LOCALE_SET_5G_LOW3)
224 #define LOCALE_CHAN_52_64 (LOCALE_SET_5G_LOW2 | LOCALE_SET_5G_LOW3)
225 #define LOCALE_CHAN_100_124 (LOCALE_SET_5G_MID1 | LOCALE_SET_5G_MID2)
226 #define LOCALE_CHAN_100_140 \
227 (LOCALE_SET_5G_MID1 | LOCALE_SET_5G_MID2 | LOCALE_SET_5G_MID3 | LOCALE_SET_5G_HIGH1)
228 #define LOCALE_CHAN_149_165 (LOCALE_SET_5G_HIGH2 | LOCALE_SET_5G_HIGH3)
229 #define LOCALE_CHAN_184_216 LOCALE_SET_5G_HIGH4
231 #define LOCALE_CHAN_01_14 (LOCALE_CHAN_01_11 | LOCALE_CHAN_12_13 | LOCALE_CHAN_14)
233 #define LOCALE_RADAR_SET_NONE 0
234 #define LOCALE_RADAR_SET_1 1
236 #define LOCALE_RESTRICTED_NONE 0
237 #define LOCALE_RESTRICTED_SET_2G_SHORT 1
238 #define LOCALE_RESTRICTED_CHAN_165 2
239 #define LOCALE_CHAN_ALL_5G 3
240 #define LOCALE_RESTRICTED_JAPAN_LEGACY 4
241 #define LOCALE_RESTRICTED_11D_2G 5
242 #define LOCALE_RESTRICTED_11D_5G 6
243 #define LOCALE_RESTRICTED_LOW_HI 7
244 #define LOCALE_RESTRICTED_12_13_14 8
246 /* global memory to provide working buffer for expanded locale */
248 static const chanvec_t *g_table_radar_set[] = {
253 static const chanvec_t *g_table_restricted_chan[] = {
254 &chanvec_none, /* restricted_set_none */
255 &restricted_set_2g_short,
256 &restricted_chan_165,
258 &restricted_set_japan_legacy,
259 &chanvec_all_2G, /* restricted_set_11d_2G */
260 &chanvec_all_5G, /* restricted_set_11d_5G */
262 &restricted_set_12_13_14
265 static const chanvec_t locale_2g_01_11 = {
266 {0xfe, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
267 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
268 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
269 0x00, 0x00, 0x00, 0x00}
272 static const chanvec_t locale_2g_12_13 = {
273 {0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
274 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
275 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
276 0x00, 0x00, 0x00, 0x00}
279 static const chanvec_t locale_2g_14 = {
280 {0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
281 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
282 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
283 0x00, 0x00, 0x00, 0x00}
286 static const chanvec_t locale_5g_LOW_JP1 = {
287 {0x00, 0x00, 0x00, 0x00, 0x54, 0x55, 0x01, 0x00,
288 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
289 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
290 0x00, 0x00, 0x00, 0x00}
293 static const chanvec_t locale_5g_LOW_JP2 = {
294 {0x00, 0x00, 0x00, 0x00, 0x44, 0x44, 0x00, 0x00,
295 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
296 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
297 0x00, 0x00, 0x00, 0x00}
300 static const chanvec_t locale_5g_LOW1 = {
301 {0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x01, 0x00,
302 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
303 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
304 0x00, 0x00, 0x00, 0x00}
307 static const chanvec_t locale_5g_LOW2 = {
308 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
309 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
310 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
311 0x00, 0x00, 0x00, 0x00}
314 static const chanvec_t locale_5g_LOW3 = {
315 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
316 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
317 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
318 0x00, 0x00, 0x00, 0x00}
321 static const chanvec_t locale_5g_MID1 = {
322 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
323 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x00,
324 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
325 0x00, 0x00, 0x00, 0x00}
328 static const chanvec_t locale_5g_MID2 = {
329 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
330 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
331 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
332 0x00, 0x00, 0x00, 0x00}
335 static const chanvec_t locale_5g_MID3 = {
336 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
337 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
338 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
339 0x00, 0x00, 0x00, 0x00}
342 static const chanvec_t locale_5g_HIGH1 = {
343 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
344 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
345 0x10, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
346 0x00, 0x00, 0x00, 0x00}
349 static const chanvec_t locale_5g_HIGH2 = {
350 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
351 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
352 0x00, 0x00, 0x20, 0x22, 0x02, 0x00, 0x00, 0x00,
353 0x00, 0x00, 0x00, 0x00}
356 static const chanvec_t locale_5g_HIGH3 = {
357 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
358 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
359 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
360 0x00, 0x00, 0x00, 0x00}
363 static const chanvec_t locale_5g_52_140_ALL = {
364 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11,
365 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
366 0x11, 0x11, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
367 0x00, 0x00, 0x00, 0x00}
370 static const chanvec_t locale_5g_HIGH4 = {
371 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
372 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
373 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
374 0x11, 0x11, 0x11, 0x11}
377 static const chanvec_t *g_table_locale_base[] = {
392 &locale_5g_52_140_ALL,
396 static void wlc_locale_add_channels(chanvec_t *target,
397 const chanvec_t *channels)
400 for (i = 0; i < sizeof(chanvec_t); i++) {
401 target->vec[i] |= channels->vec[i];
405 static void wlc_locale_get_channels(const locale_info_t *locale,
410 memset(channels, 0, sizeof(chanvec_t));
412 for (i = 0; i < ARRAY_SIZE(g_table_locale_base); i++) {
413 if (locale->valid_channels & (1 << i)) {
414 wlc_locale_add_channels(channels,
415 g_table_locale_base[i]);
421 * Locale Definitions - 2.4 GHz
423 static const locale_info_t locale_i = { /* locale i. channel 1 - 13 */
424 LOCALE_CHAN_01_11 | LOCALE_CHAN_12_13,
425 LOCALE_RADAR_SET_NONE,
426 LOCALE_RESTRICTED_SET_2G_SHORT,
427 {QDB(19), QDB(19), QDB(19),
428 QDB(19), QDB(19), QDB(19)},
434 * Locale Definitions - 5 GHz
436 static const locale_info_t locale_11 = {
437 /* locale 11. channel 36 - 48, 52 - 64, 100 - 140, 149 - 165 */
438 LOCALE_CHAN_36_64 | LOCALE_CHAN_100_140 | LOCALE_CHAN_149_165,
440 LOCALE_RESTRICTED_NONE,
441 {QDB(21), QDB(21), QDB(21), QDB(21), QDB(21)},
442 {23, 23, 23, 30, 30},
443 WLC_EIRP | WLC_DFS_EU
446 #define LOCALE_2G_IDX_i 0
447 static const locale_info_t *g_locale_2g_table[] = {
451 #define LOCALE_5G_IDX_11 0
452 static const locale_info_t *g_locale_5g_table[] = {
457 * MIMO Locale Definitions - 2.4 GHz
459 static const locale_mimo_info_t locale_bn = {
460 {QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
461 QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
462 QDB(13), QDB(13), QDB(13)},
463 {0, 0, QDB(13), QDB(13), QDB(13),
464 QDB(13), QDB(13), QDB(13), QDB(13), QDB(13),
469 /* locale mimo 2g indexes */
470 #define LOCALE_MIMO_IDX_bn 0
472 static const locale_mimo_info_t *g_mimo_2g_table[] = {
477 * MIMO Locale Definitions - 5 GHz
479 static const locale_mimo_info_t locale_11n = {
480 { /* 12.5 dBm */ 50, 50, 50, QDB(15), QDB(15)},
481 {QDB(14), QDB(15), QDB(15), QDB(15), QDB(15)},
485 #define LOCALE_MIMO_IDX_11n 0
486 static const locale_mimo_info_t *g_mimo_5g_table[] = {
493 #define LC(id) LOCALE_MIMO_IDX_ ## id
498 #define LC_2G(id) LOCALE_2G_IDX_ ## id
503 #define LC_5G(id) LOCALE_5G_IDX_ ## id
505 #define LOCALES(band2, band5, mimo2, mimo5) {LC_2G(band2), LC_5G(band5), LC(mimo2), LC(mimo5)}
507 static const struct {
508 char abbrev[WLC_CNTRY_BUF_SZ]; /* country abbreviation */
509 country_info_t country;
510 } cntry_locales[] = {
512 "X2", LOCALES(i, 11, bn, 11n)}, /* Worldwide RoW 2 */
516 /* 20MHz channel info for 40MHz pairing support */
522 /* indicates adjacent channels that are allowed for a 40 Mhz channel and
523 * those that permitted by the HT
525 struct chan20_info chan20_info[] = {
527 /* 0 */ {1, (CH_UPPER_SB | CH_EWA_VALID)},
528 /* 1 */ {2, (CH_UPPER_SB | CH_EWA_VALID)},
529 /* 2 */ {3, (CH_UPPER_SB | CH_EWA_VALID)},
530 /* 3 */ {4, (CH_UPPER_SB | CH_EWA_VALID)},
531 /* 4 */ {5, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
532 /* 5 */ {6, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
533 /* 6 */ {7, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
534 /* 7 */ {8, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
535 /* 8 */ {9, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)},
536 /* 9 */ {10, (CH_LOWER_SB | CH_EWA_VALID)},
537 /* 10 */ {11, (CH_LOWER_SB | CH_EWA_VALID)},
538 /* 11 */ {12, (CH_LOWER_SB)},
539 /* 12 */ {13, (CH_LOWER_SB)},
540 /* 13 */ {14, (CH_LOWER_SB)},
543 /* 14 */ {34, (CH_UPPER_SB)},
544 /* 15 */ {38, (CH_LOWER_SB)},
545 /* 16 */ {42, (CH_LOWER_SB)},
546 /* 17 */ {46, (CH_LOWER_SB)},
549 /* 18 */ {36, (CH_UPPER_SB | CH_EWA_VALID)},
550 /* 19 */ {40, (CH_LOWER_SB | CH_EWA_VALID)},
551 /* 20 */ {44, (CH_UPPER_SB | CH_EWA_VALID)},
552 /* 21 */ {48, (CH_LOWER_SB | CH_EWA_VALID)},
553 /* 22 */ {52, (CH_UPPER_SB | CH_EWA_VALID)},
554 /* 23 */ {56, (CH_LOWER_SB | CH_EWA_VALID)},
555 /* 24 */ {60, (CH_UPPER_SB | CH_EWA_VALID)},
556 /* 25 */ {64, (CH_LOWER_SB | CH_EWA_VALID)},
559 /* 26 */ {100, (CH_UPPER_SB | CH_EWA_VALID)},
560 /* 27 */ {104, (CH_LOWER_SB | CH_EWA_VALID)},
561 /* 28 */ {108, (CH_UPPER_SB | CH_EWA_VALID)},
562 /* 29 */ {112, (CH_LOWER_SB | CH_EWA_VALID)},
563 /* 30 */ {116, (CH_UPPER_SB | CH_EWA_VALID)},
564 /* 31 */ {120, (CH_LOWER_SB | CH_EWA_VALID)},
565 /* 32 */ {124, (CH_UPPER_SB | CH_EWA_VALID)},
566 /* 33 */ {128, (CH_LOWER_SB | CH_EWA_VALID)},
567 /* 34 */ {132, (CH_UPPER_SB | CH_EWA_VALID)},
568 /* 35 */ {136, (CH_LOWER_SB | CH_EWA_VALID)},
569 /* 36 */ {140, (CH_LOWER_SB)},
571 /* 11a usa high, ref5 only */
572 /* The 0x80 bit in pdiv means these are REF5, other entries are REF20 */
573 /* 37 */ {149, (CH_UPPER_SB | CH_EWA_VALID)},
574 /* 38 */ {153, (CH_LOWER_SB | CH_EWA_VALID)},
575 /* 39 */ {157, (CH_UPPER_SB | CH_EWA_VALID)},
576 /* 40 */ {161, (CH_LOWER_SB | CH_EWA_VALID)},
577 /* 41 */ {165, (CH_LOWER_SB)},
580 /* 42 */ {184, (CH_UPPER_SB)},
581 /* 43 */ {188, (CH_LOWER_SB)},
582 /* 44 */ {192, (CH_UPPER_SB)},
583 /* 45 */ {196, (CH_LOWER_SB)},
584 /* 46 */ {200, (CH_UPPER_SB)},
585 /* 47 */ {204, (CH_LOWER_SB)},
586 /* 48 */ {208, (CH_UPPER_SB)},
587 /* 49 */ {212, (CH_LOWER_SB)},
588 /* 50 */ {216, (CH_LOWER_SB)}
590 #endif /* SUPPORT_40MHZ */
592 static const locale_info_t *wlc_get_locale_2g(u8 locale_idx)
594 if (locale_idx >= ARRAY_SIZE(g_locale_2g_table)) {
595 return NULL; /* error condition */
597 return g_locale_2g_table[locale_idx];
600 static const locale_info_t *wlc_get_locale_5g(u8 locale_idx)
602 if (locale_idx >= ARRAY_SIZE(g_locale_5g_table)) {
603 return NULL; /* error condition */
605 return g_locale_5g_table[locale_idx];
608 static const locale_mimo_info_t *wlc_get_mimo_2g(u8 locale_idx)
610 if (locale_idx >= ARRAY_SIZE(g_mimo_2g_table)) {
613 return g_mimo_2g_table[locale_idx];
616 static const locale_mimo_info_t *wlc_get_mimo_5g(u8 locale_idx)
618 if (locale_idx >= ARRAY_SIZE(g_mimo_5g_table)) {
621 return g_mimo_5g_table[locale_idx];
624 wlc_cm_info_t *wlc_channel_mgr_attach(struct wlc_info *wlc)
626 wlc_cm_info_t *wlc_cm;
627 char country_abbrev[WLC_CNTRY_BUF_SZ];
628 const country_info_t *country;
629 struct wlc_pub *pub = wlc->pub;
632 BCMMSG(wlc->wiphy, "wl%d\n", wlc->pub->unit);
634 wlc_cm = kzalloc(sizeof(wlc_cm_info_t), GFP_ATOMIC);
635 if (wlc_cm == NULL) {
636 wiphy_err(wlc->wiphy, "wl%d: %s: out of memory", pub->unit,
644 /* store the country code for passing up as a regulatory hint */
645 ccode = getvar(wlc->pub->vars, "ccode");
647 strncpy(wlc->pub->srom_ccode, ccode, WLC_CNTRY_BUF_SZ - 1);
650 /* internal country information which must match regulatory constraints in firmware */
651 memset(country_abbrev, 0, WLC_CNTRY_BUF_SZ);
652 strncpy(country_abbrev, "X2", sizeof(country_abbrev) - 1);
653 country = wlc_country_lookup(wlc, country_abbrev);
655 /* save default country for exiting 11d regulatory mode */
656 strncpy(wlc->country_default, country_abbrev, WLC_CNTRY_BUF_SZ - 1);
658 /* initialize autocountry_default to driver default */
659 strncpy(wlc->autocountry_default, "X2", WLC_CNTRY_BUF_SZ - 1);
661 wlc_set_countrycode(wlc_cm, country_abbrev);
666 void wlc_channel_mgr_detach(wlc_cm_info_t *wlc_cm)
671 u8 wlc_channel_locale_flags_in_band(wlc_cm_info_t *wlc_cm, uint bandunit)
673 return wlc_cm->bandstate[bandunit].locale_flags;
676 /* set the driver's current country and regulatory information using a country code
677 * as the source. Lookup built in country information found with the country code.
679 static int wlc_set_countrycode(wlc_cm_info_t *wlc_cm, const char *ccode)
681 char country_abbrev[WLC_CNTRY_BUF_SZ];
682 strncpy(country_abbrev, ccode, WLC_CNTRY_BUF_SZ);
683 return wlc_set_countrycode_rev(wlc_cm, country_abbrev, ccode, -1);
687 wlc_set_countrycode_rev(wlc_cm_info_t *wlc_cm,
688 const char *country_abbrev,
689 const char *ccode, int regrev)
691 const country_info_t *country;
692 char mapped_ccode[WLC_CNTRY_BUF_SZ];
695 /* if regrev is -1, lookup the mapped country code,
696 * otherwise use the ccode and regrev directly
699 /* map the country code to a built-in country code, regrev, and country_info */
701 wlc_countrycode_map(wlc_cm, ccode, mapped_ccode,
704 /* find the matching built-in country definition */
705 country = wlc_country_lookup_direct(ccode, regrev);
706 strncpy(mapped_ccode, ccode, WLC_CNTRY_BUF_SZ);
707 mapped_regrev = regrev;
713 /* set the driver state for the country */
714 wlc_set_country_common(wlc_cm, country_abbrev, mapped_ccode,
715 mapped_regrev, country);
720 /* set the driver's current country and regulatory information using a country code
721 * as the source. Look up built in country information found with the country code.
724 wlc_set_country_common(wlc_cm_info_t *wlc_cm,
725 const char *country_abbrev,
726 const char *ccode, uint regrev,
727 const country_info_t *country)
729 const locale_mimo_info_t *li_mimo;
730 const locale_info_t *locale;
731 struct wlc_info *wlc = wlc_cm->wlc;
732 char prev_country_abbrev[WLC_CNTRY_BUF_SZ];
734 /* save current country state */
735 wlc_cm->country = country;
737 memset(&prev_country_abbrev, 0, WLC_CNTRY_BUF_SZ);
738 strncpy(prev_country_abbrev, wlc_cm->country_abbrev,
739 WLC_CNTRY_BUF_SZ - 1);
741 strncpy(wlc_cm->country_abbrev, country_abbrev, WLC_CNTRY_BUF_SZ - 1);
742 strncpy(wlc_cm->ccode, ccode, WLC_CNTRY_BUF_SZ - 1);
743 wlc_cm->regrev = regrev;
745 /* disable/restore nmode based on country regulations */
746 li_mimo = wlc_get_mimo_2g(country->locale_mimo_2G);
747 if (li_mimo && (li_mimo->flags & WLC_NO_MIMO)) {
748 wlc_set_nmode(wlc, OFF);
749 wlc->stf->no_cddstbc = true;
751 wlc->stf->no_cddstbc = false;
752 if (N_ENAB(wlc->pub) != wlc->protection->nmode_user)
753 wlc_set_nmode(wlc, wlc->protection->nmode_user);
756 wlc_stf_ss_update(wlc, wlc->bandstate[BAND_2G_INDEX]);
757 wlc_stf_ss_update(wlc, wlc->bandstate[BAND_5G_INDEX]);
758 /* set or restore gmode as required by regulatory */
759 locale = wlc_get_locale_2g(country->locale_2G);
760 if (locale && (locale->flags & WLC_NO_OFDM)) {
761 wlc_set_gmode(wlc, GMODE_LEGACY_B, false);
763 wlc_set_gmode(wlc, wlc->protection->gmode_user, false);
766 wlc_channels_init(wlc_cm, country);
771 /* Lookup a country info structure from a null terminated country code
772 * The lookup is case sensitive.
774 static const country_info_t *wlc_country_lookup(struct wlc_info *wlc,
777 const country_info_t *country;
778 char mapped_ccode[WLC_CNTRY_BUF_SZ];
781 /* map the country code to a built-in country code, regrev, and country_info struct */
783 wlc_countrycode_map(wlc->cmi, ccode, mapped_ccode, &mapped_regrev);
788 static const country_info_t *wlc_countrycode_map(wlc_cm_info_t *wlc_cm,
793 struct wlc_info *wlc = wlc_cm->wlc;
794 const country_info_t *country;
795 uint srom_regrev = wlc_cm->srom_regrev;
796 const char *srom_ccode = wlc_cm->srom_ccode;
799 /* check for currently supported ccode size */
800 if (strlen(ccode) > (WLC_CNTRY_BUF_SZ - 1)) {
801 wiphy_err(wlc->wiphy, "wl%d: %s: ccode \"%s\" too long for "
802 "match\n", wlc->pub->unit, __func__, ccode);
806 /* default mapping is the given ccode and regrev 0 */
807 strncpy(mapped_ccode, ccode, WLC_CNTRY_BUF_SZ);
810 /* If the desired country code matches the srom country code,
811 * then the mapped country is the srom regulatory rev.
812 * Otherwise look for an aggregate mapping.
814 if (!strcmp(srom_ccode, ccode)) {
815 *mapped_regrev = srom_regrev;
817 wiphy_err(wlc->wiphy, "srom_code == ccode %s\n", __func__);
820 wlc_country_aggregate_map(wlc_cm, ccode, mapped_ccode,
824 /* find the matching built-in country definition */
825 country = wlc_country_lookup_direct(mapped_ccode, *mapped_regrev);
827 /* if there is not an exact rev match, default to rev zero */
828 if (country == NULL && *mapped_regrev != 0) {
831 wlc_country_lookup_direct(mapped_ccode, *mapped_regrev);
838 wlc_country_aggregate_map(wlc_cm_info_t *wlc_cm, const char *ccode,
839 char *mapped_ccode, uint *mapped_regrev)
844 /* Lookup a country info structure from a null terminated country
845 * abbreviation and regrev directly with no translation.
847 static const country_info_t *wlc_country_lookup_direct(const char *ccode,
852 /* Should just return 0 for single locale driver. */
853 /* Keep it this way in case we add more locales. (for now anyway) */
855 /* all other country def arrays are for regrev == 0, so if regrev is non-zero, fail */
859 /* find matched table entry from country code */
860 size = ARRAY_SIZE(cntry_locales);
861 for (i = 0; i < size; i++) {
862 if (strcmp(ccode, cntry_locales[i].abbrev) == 0) {
863 return &cntry_locales[i].country;
870 wlc_channels_init(wlc_cm_info_t *wlc_cm, const country_info_t *country)
872 struct wlc_info *wlc = wlc_cm->wlc;
874 struct wlcband *band;
875 const locale_info_t *li;
877 const locale_mimo_info_t *li_mimo;
880 for (i = 0; i < NBANDS(wlc);
881 i++, band = wlc->bandstate[OTHERBANDUNIT(wlc)]) {
883 li = BAND_5G(band->bandtype) ?
884 wlc_get_locale_5g(country->locale_5G) :
885 wlc_get_locale_2g(country->locale_2G);
886 wlc_cm->bandstate[band->bandunit].locale_flags = li->flags;
887 li_mimo = BAND_5G(band->bandtype) ?
888 wlc_get_mimo_5g(country->locale_mimo_5G) :
889 wlc_get_mimo_2g(country->locale_mimo_2G);
891 /* merge the mimo non-mimo locale flags */
892 wlc_cm->bandstate[band->bandunit].locale_flags |=
895 wlc_cm->bandstate[band->bandunit].restricted_channels =
896 g_table_restricted_chan[li->restricted_channels];
897 wlc_cm->bandstate[band->bandunit].radar_channels =
898 g_table_radar_set[li->radar_channels];
900 /* set the channel availability,
901 * masking out the channels that may not be supported on this phy
903 wlc_phy_chanspec_band_validch(band->pi, band->bandtype,
905 wlc_locale_get_channels(li,
906 &wlc_cm->bandstate[band->bandunit].
908 for (j = 0; j < sizeof(chanvec_t); j++)
909 wlc_cm->bandstate[band->bandunit].valid_channels.
910 vec[j] &= sup_chan.vec[j];
913 wlc_quiet_channels_reset(wlc_cm);
914 wlc_channels_commit(wlc_cm);
919 /* Update the radio state (enable/disable) and tx power targets
920 * based on a new set of channel/regulatory information
922 static void wlc_channels_commit(wlc_cm_info_t *wlc_cm)
924 struct wlc_info *wlc = wlc_cm->wlc;
926 struct txpwr_limits txpwr;
928 /* search for the existence of any valid channel */
929 for (chan = 0; chan < MAXCHANNEL; chan++) {
930 if (VALID_CHANNEL20_DB(wlc, chan)) {
934 if (chan == MAXCHANNEL)
937 /* based on the channel search above, set or clear WL_RADIO_COUNTRY_DISABLE */
938 if (chan == INVCHANNEL) {
939 /* country/locale with no valid channels, set the radio disable bit */
940 mboolset(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE);
941 wiphy_err(wlc->wiphy, "wl%d: %s: no valid channel for \"%s\" "
942 "nbands %d bandlocked %d\n", wlc->pub->unit,
943 __func__, wlc_cm->country_abbrev, NBANDS(wlc),
946 if (mboolisset(wlc->pub->radio_disabled,
947 WL_RADIO_COUNTRY_DISABLE)) {
948 /* country/locale with valid channel, clear the radio disable bit */
949 mboolclr(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE);
952 /* Now that the country abbreviation is set, if the radio supports 2G, then
953 * set channel 14 restrictions based on the new locale.
955 if (NBANDS(wlc) > 1 || BAND_2G(wlc->band->bandtype)) {
956 wlc_phy_chanspec_ch14_widefilter_set(wlc->band->pi,
957 wlc_japan(wlc) ? true :
961 if (wlc->pub->up && chan != INVCHANNEL) {
962 wlc_channel_reg_limits(wlc_cm, wlc->chanspec, &txpwr);
963 wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm,
966 wlc_phy_txpower_limit_set(wlc->band->pi, &txpwr, wlc->chanspec);
970 /* reset the quiet channels vector to the union of the restricted and radar channel sets */
971 static void wlc_quiet_channels_reset(wlc_cm_info_t *wlc_cm)
973 struct wlc_info *wlc = wlc_cm->wlc;
975 struct wlcband *band;
976 const chanvec_t *chanvec;
978 memset(&wlc_cm->quiet_channels, 0, sizeof(chanvec_t));
981 for (i = 0; i < NBANDS(wlc);
982 i++, band = wlc->bandstate[OTHERBANDUNIT(wlc)]) {
984 /* initialize quiet channels for restricted channels */
985 chanvec = wlc_cm->bandstate[band->bandunit].restricted_channels;
986 for (j = 0; j < sizeof(chanvec_t); j++)
987 wlc_cm->quiet_channels.vec[j] |= chanvec->vec[j];
992 static bool wlc_quiet_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chspec)
994 return N_ENAB(wlc_cm->wlc->pub) && CHSPEC_IS40(chspec) ?
996 (wlc_cm->quiet_channels.vec,
997 LOWER_20_SB(CHSPEC_CHANNEL(chspec)))
998 || isset(wlc_cm->quiet_channels.vec,
999 UPPER_20_SB(CHSPEC_CHANNEL(chspec)))) : isset(wlc_cm->
1006 /* Is the channel valid for the current locale? (but don't consider channels not
1007 * available due to bandlocking)
1009 static bool wlc_valid_channel20_db(wlc_cm_info_t *wlc_cm, uint val)
1011 struct wlc_info *wlc = wlc_cm->wlc;
1013 return VALID_CHANNEL20(wlc, val) ||
1015 && VALID_CHANNEL20_IN_BAND(wlc, OTHERBANDUNIT(wlc), val));
1018 /* Is the channel valid for the current locale and specified band? */
1020 wlc_valid_channel20_in_band(wlc_cm_info_t *wlc_cm, uint bandunit, uint val)
1022 return ((val < MAXCHANNEL)
1023 && isset(wlc_cm->bandstate[bandunit].valid_channels.vec, val));
1026 /* Is the channel valid for the current locale and current band? */
1027 static bool wlc_valid_channel20(wlc_cm_info_t *wlc_cm, uint val)
1029 struct wlc_info *wlc = wlc_cm->wlc;
1031 return ((val < MAXCHANNEL) &&
1032 isset(wlc_cm->bandstate[wlc->band->bandunit].valid_channels.vec,
1037 wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm_info_t *wlc_cm,
1038 struct txpwr_limits *txpwr,
1040 local_constraint_qdbm)
1045 for (j = 0; j < WL_TX_POWER_CCK_NUM; j++) {
1046 txpwr->cck[j] = min(txpwr->cck[j], local_constraint_qdbm);
1049 /* 20 MHz Legacy OFDM SISO */
1050 for (j = 0; j < WL_TX_POWER_OFDM_NUM; j++) {
1051 txpwr->ofdm[j] = min(txpwr->ofdm[j], local_constraint_qdbm);
1054 /* 20 MHz Legacy OFDM CDD */
1055 for (j = 0; j < WLC_NUM_RATES_OFDM; j++) {
1056 txpwr->ofdm_cdd[j] =
1057 min(txpwr->ofdm_cdd[j], local_constraint_qdbm);
1060 /* 40 MHz Legacy OFDM SISO */
1061 for (j = 0; j < WLC_NUM_RATES_OFDM; j++) {
1062 txpwr->ofdm_40_siso[j] =
1063 min(txpwr->ofdm_40_siso[j], local_constraint_qdbm);
1066 /* 40 MHz Legacy OFDM CDD */
1067 for (j = 0; j < WLC_NUM_RATES_OFDM; j++) {
1068 txpwr->ofdm_40_cdd[j] =
1069 min(txpwr->ofdm_40_cdd[j], local_constraint_qdbm);
1072 /* 20MHz MCS 0-7 SISO */
1073 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1074 txpwr->mcs_20_siso[j] =
1075 min(txpwr->mcs_20_siso[j], local_constraint_qdbm);
1078 /* 20MHz MCS 0-7 CDD */
1079 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1080 txpwr->mcs_20_cdd[j] =
1081 min(txpwr->mcs_20_cdd[j], local_constraint_qdbm);
1084 /* 20MHz MCS 0-7 STBC */
1085 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1086 txpwr->mcs_20_stbc[j] =
1087 min(txpwr->mcs_20_stbc[j], local_constraint_qdbm);
1090 /* 20MHz MCS 8-15 MIMO */
1091 for (j = 0; j < WLC_NUM_RATES_MCS_2_STREAM; j++)
1092 txpwr->mcs_20_mimo[j] =
1093 min(txpwr->mcs_20_mimo[j], local_constraint_qdbm);
1095 /* 40MHz MCS 0-7 SISO */
1096 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1097 txpwr->mcs_40_siso[j] =
1098 min(txpwr->mcs_40_siso[j], local_constraint_qdbm);
1101 /* 40MHz MCS 0-7 CDD */
1102 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1103 txpwr->mcs_40_cdd[j] =
1104 min(txpwr->mcs_40_cdd[j], local_constraint_qdbm);
1107 /* 40MHz MCS 0-7 STBC */
1108 for (j = 0; j < WLC_NUM_RATES_MCS_1_STREAM; j++) {
1109 txpwr->mcs_40_stbc[j] =
1110 min(txpwr->mcs_40_stbc[j], local_constraint_qdbm);
1113 /* 40MHz MCS 8-15 MIMO */
1114 for (j = 0; j < WLC_NUM_RATES_MCS_2_STREAM; j++)
1115 txpwr->mcs_40_mimo[j] =
1116 min(txpwr->mcs_40_mimo[j], local_constraint_qdbm);
1119 txpwr->mcs32 = min(txpwr->mcs32, local_constraint_qdbm);
1124 wlc_channel_set_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chanspec,
1125 u8 local_constraint_qdbm)
1127 struct wlc_info *wlc = wlc_cm->wlc;
1128 struct txpwr_limits txpwr;
1130 wlc_channel_reg_limits(wlc_cm, chanspec, &txpwr);
1132 wlc_channel_min_txpower_limits_with_local_constraint(wlc_cm, &txpwr,
1133 local_constraint_qdbm);
1135 wlc_bmac_set_chanspec(wlc->hw, chanspec,
1136 (wlc_quiet_chanspec(wlc_cm, chanspec) != 0),
1141 static void wlc_phy_txpower_limits_dump(txpwr_limits_t *txpwr)
1145 char fraction[4][4] = { " ", ".25", ".5 ", ".75" };
1147 sprintf(buf, "CCK ");
1148 for (i = 0; i < WLC_NUM_RATES_CCK; i++) {
1149 sprintf(buf[strlen(buf)], " %2d%s",
1150 txpwr->cck[i] / WLC_TXPWR_DB_FACTOR,
1151 fraction[txpwr->cck[i] % WLC_TXPWR_DB_FACTOR]);
1153 printk(KERN_DEBUG "%s\n", buf);
1155 sprintf(buf, "20 MHz OFDM SISO ");
1156 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1157 sprintf(buf[strlen(buf)], " %2d%s",
1158 txpwr->ofdm[i] / WLC_TXPWR_DB_FACTOR,
1159 fraction[txpwr->ofdm[i] % WLC_TXPWR_DB_FACTOR]);
1161 printk(KERN_DEBUG "%s\n", buf);
1163 sprintf(buf, "20 MHz OFDM CDD ");
1164 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1165 sprintf(buf[strlen(buf)], " %2d%s",
1166 txpwr->ofdm_cdd[i] / WLC_TXPWR_DB_FACTOR,
1167 fraction[txpwr->ofdm_cdd[i] % WLC_TXPWR_DB_FACTOR]);
1169 printk(KERN_DEBUG "%s\n", buf);
1171 sprintf(buf, "40 MHz OFDM SISO ");
1172 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1173 sprintf(buf[strlen(buf)], " %2d%s",
1174 txpwr->ofdm_40_siso[i] / WLC_TXPWR_DB_FACTOR,
1175 fraction[txpwr->ofdm_40_siso[i] % WLC_TXPWR_DB_FACTOR]);
1177 printk(KERN_DEBUG "%s\n", buf);
1179 sprintf(buf, "40 MHz OFDM CDD ");
1180 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1181 sprintf(buf[strlen(buf)], " %2d%s",
1182 txpwr->ofdm_40_cdd[i] / WLC_TXPWR_DB_FACTOR,
1183 fraction[txpwr->ofdm_40_cdd[i] % WLC_TXPWR_DB_FACTOR]);
1185 printk(KERN_DEBUG "%s\n", buf);
1187 sprintf(buf, "20 MHz MCS0-7 SISO ");
1188 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1189 sprintf(buf[strlen(buf)], " %2d%s",
1190 txpwr->mcs_20_siso[i] / WLC_TXPWR_DB_FACTOR,
1191 fraction[txpwr->mcs_20_siso[i] % WLC_TXPWR_DB_FACTOR]);
1193 printk(KERN_DEBUG "%s\n", buf);
1195 sprintf(buf, "20 MHz MCS0-7 CDD ");
1196 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1197 sprintf(buf[strlen(buf)], " %2d%s",
1198 txpwr->mcs_20_cdd[i] / WLC_TXPWR_DB_FACTOR,
1199 fraction[txpwr->mcs_20_cdd[i] % WLC_TXPWR_DB_FACTOR]);
1201 printk(KERN_DEBUG "%s\n", buf);
1203 sprintf(buf, "20 MHz MCS0-7 STBC ");
1204 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1205 sprintf(buf[strlen(buf)], " %2d%s",
1206 txpwr->mcs_20_stbc[i] / WLC_TXPWR_DB_FACTOR,
1207 fraction[txpwr->mcs_20_stbc[i] % WLC_TXPWR_DB_FACTOR]);
1209 printk(KERN_DEBUG "%s\n", buf);
1211 sprintf(buf, "20 MHz MCS8-15 SDM ");
1212 for (i = 0; i < WLC_NUM_RATES_MCS_2_STREAM; i++) {
1213 sprintf(buf[strlen(buf)], " %2d%s",
1214 txpwr->mcs_20_mimo[i] / WLC_TXPWR_DB_FACTOR,
1215 fraction[txpwr->mcs_20_mimo[i] % WLC_TXPWR_DB_FACTOR]);
1217 printk(KERN_DEBUG "%s\n", buf);
1219 sprintf(buf, "40 MHz MCS0-7 SISO ");
1220 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1221 sprintf(buf[strlen(buf)], " %2d%s",
1222 txpwr->mcs_40_siso[i] / WLC_TXPWR_DB_FACTOR,
1223 fraction[txpwr->mcs_40_siso[i] % WLC_TXPWR_DB_FACTOR]);
1225 printk(KERN_DEBUG "%s\n", buf);
1227 sprintf(buf, "40 MHz MCS0-7 CDD ");
1228 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1229 sprintf(buf[strlen(buf)], " %2d%s",
1230 txpwr->mcs_40_cdd[i] / WLC_TXPWR_DB_FACTOR,
1231 fraction[txpwr->mcs_40_cdd[i] % WLC_TXPWR_DB_FACTOR]);
1233 printk(KERN_DEBUG "%s\n", buf);
1235 sprintf(buf, "40 MHz MCS0-7 STBC ");
1236 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1237 sprintf(buf[strlen(buf)], " %2d%s",
1238 txpwr->mcs_40_stbc[i] / WLC_TXPWR_DB_FACTOR,
1239 fraction[txpwr->mcs_40_stbc[i] % WLC_TXPWR_DB_FACTOR]);
1241 printk(KERN_DEBUG "%s\n", buf);
1243 sprintf(buf, "40 MHz MCS8-15 SDM ");
1244 for (i = 0; i < WLC_NUM_RATES_MCS_2_STREAM; i++) {
1245 sprintf(buf[strlen(buf)], " %2d%s",
1246 txpwr->mcs_40_mimo[i] / WLC_TXPWR_DB_FACTOR,
1247 fraction[txpwr->mcs_40_mimo[i] % WLC_TXPWR_DB_FACTOR]);
1249 printk(KERN_DEBUG "%s\n", buf);
1251 printk(KERN_DEBUG "MCS32 %2d%s\n",
1252 txpwr->mcs32 / WLC_TXPWR_DB_FACTOR,
1253 fraction[txpwr->mcs32 % WLC_TXPWR_DB_FACTOR]);
1255 #endif /* POWER_DBG */
1258 wlc_channel_reg_limits(wlc_cm_info_t *wlc_cm, chanspec_t chanspec,
1259 txpwr_limits_t *txpwr)
1261 struct wlc_info *wlc = wlc_cm->wlc;
1266 const country_info_t *country;
1267 struct wlcband *band;
1268 const locale_info_t *li;
1270 int conducted_ofdm_max;
1271 const locale_mimo_info_t *li_mimo;
1272 int maxpwr20, maxpwr40;
1276 memset(txpwr, 0, sizeof(txpwr_limits_t));
1278 if (!wlc_valid_chanspec_db(wlc_cm, chanspec)) {
1279 country = wlc_country_lookup(wlc, wlc->autocountry_default);
1280 if (country == NULL)
1283 country = wlc_cm->country;
1286 chan = CHSPEC_CHANNEL(chanspec);
1287 band = wlc->bandstate[CHSPEC_WLCBANDUNIT(chanspec)];
1288 li = BAND_5G(band->bandtype) ?
1289 wlc_get_locale_5g(country->locale_5G) :
1290 wlc_get_locale_2g(country->locale_2G);
1292 li_mimo = BAND_5G(band->bandtype) ?
1293 wlc_get_mimo_5g(country->locale_mimo_5G) :
1294 wlc_get_mimo_2g(country->locale_mimo_2G);
1296 if (li->flags & WLC_EIRP) {
1297 delta = band->antgain;
1300 if (band->antgain > QDB(6))
1301 delta = band->antgain - QDB(6); /* Excess over 6 dB */
1304 if (li == &locale_i) {
1305 conducted_max = QDB(22);
1306 conducted_ofdm_max = QDB(22);
1309 /* CCK txpwr limits for 2.4G band */
1310 if (BAND_2G(band->bandtype)) {
1311 maxpwr = li->maxpwr[CHANNEL_POWER_IDX_2G_CCK(chan)];
1313 maxpwr = maxpwr - delta;
1314 maxpwr = max(maxpwr, 0);
1315 maxpwr = min(maxpwr, conducted_max);
1317 for (i = 0; i < WLC_NUM_RATES_CCK; i++)
1318 txpwr->cck[i] = (u8) maxpwr;
1321 /* OFDM txpwr limits for 2.4G or 5G bands */
1322 if (BAND_2G(band->bandtype)) {
1323 maxpwr = li->maxpwr[CHANNEL_POWER_IDX_2G_OFDM(chan)];
1326 maxpwr = li->maxpwr[CHANNEL_POWER_IDX_5G(chan)];
1329 maxpwr = maxpwr - delta;
1330 maxpwr = max(maxpwr, 0);
1331 maxpwr = min(maxpwr, conducted_ofdm_max);
1333 /* Keep OFDM lmit below CCK limit */
1334 if (BAND_2G(band->bandtype))
1335 maxpwr = min_t(int, maxpwr, txpwr->cck[0]);
1337 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1338 txpwr->ofdm[i] = (u8) maxpwr;
1341 for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
1342 /* OFDM 40 MHz SISO has the same power as the corresponding MCS0-7 rate unless
1343 * overriden by the locale specific code. We set this value to 0 as a
1344 * flag (presumably 0 dBm isn't a possibility) and then copy the MCS0-7 value
1345 * to the 40 MHz value if it wasn't explicitly set.
1347 txpwr->ofdm_40_siso[i] = 0;
1349 txpwr->ofdm_cdd[i] = (u8) maxpwr;
1351 txpwr->ofdm_40_cdd[i] = 0;
1354 /* MIMO/HT specific limits */
1355 if (li_mimo->flags & WLC_EIRP) {
1356 delta = band->antgain;
1359 if (band->antgain > QDB(6))
1360 delta = band->antgain - QDB(6); /* Excess over 6 dB */
1363 if (BAND_2G(band->bandtype))
1364 maxpwr_idx = (chan - 1);
1366 maxpwr_idx = CHANNEL_POWER_IDX_5G(chan);
1368 maxpwr20 = li_mimo->maxpwr20[maxpwr_idx];
1369 maxpwr40 = li_mimo->maxpwr40[maxpwr_idx];
1371 maxpwr20 = maxpwr20 - delta;
1372 maxpwr20 = max(maxpwr20, 0);
1373 maxpwr40 = maxpwr40 - delta;
1374 maxpwr40 = max(maxpwr40, 0);
1376 /* Fill in the MCS 0-7 (SISO) rates */
1377 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1379 /* 20 MHz has the same power as the corresponding OFDM rate unless
1380 * overriden by the locale specific code.
1382 txpwr->mcs_20_siso[i] = txpwr->ofdm[i];
1383 txpwr->mcs_40_siso[i] = 0;
1386 /* Fill in the MCS 0-7 CDD rates */
1387 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1388 txpwr->mcs_20_cdd[i] = (u8) maxpwr20;
1389 txpwr->mcs_40_cdd[i] = (u8) maxpwr40;
1392 /* These locales have SISO expressed in the table and override CDD later */
1393 if (li_mimo == &locale_bn) {
1394 if (li_mimo == &locale_bn) {
1398 if (chan >= 3 && chan <= 11) {
1403 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1404 txpwr->mcs_20_siso[i] = (u8) maxpwr20;
1405 txpwr->mcs_40_siso[i] = (u8) maxpwr40;
1409 /* Fill in the MCS 0-7 STBC rates */
1410 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1411 txpwr->mcs_20_stbc[i] = 0;
1412 txpwr->mcs_40_stbc[i] = 0;
1415 /* Fill in the MCS 8-15 SDM rates */
1416 for (i = 0; i < WLC_NUM_RATES_MCS_2_STREAM; i++) {
1417 txpwr->mcs_20_mimo[i] = (u8) maxpwr20;
1418 txpwr->mcs_40_mimo[i] = (u8) maxpwr40;
1422 txpwr->mcs32 = (u8) maxpwr40;
1424 for (i = 0, j = 0; i < WLC_NUM_RATES_OFDM; i++, j++) {
1425 if (txpwr->ofdm_40_cdd[i] == 0)
1426 txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j];
1429 if (txpwr->ofdm_40_cdd[i] == 0)
1430 txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j];
1434 /* Copy the 40 MHZ MCS 0-7 CDD value to the 40 MHZ MCS 0-7 SISO value if it wasn't
1435 * provided explicitly.
1438 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1439 if (txpwr->mcs_40_siso[i] == 0)
1440 txpwr->mcs_40_siso[i] = txpwr->mcs_40_cdd[i];
1443 for (i = 0, j = 0; i < WLC_NUM_RATES_OFDM; i++, j++) {
1444 if (txpwr->ofdm_40_siso[i] == 0)
1445 txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j];
1448 if (txpwr->ofdm_40_siso[i] == 0)
1449 txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j];
1453 /* Copy the 20 and 40 MHz MCS0-7 CDD values to the corresponding STBC values if they weren't
1454 * provided explicitly.
1456 for (i = 0; i < WLC_NUM_RATES_MCS_1_STREAM; i++) {
1457 if (txpwr->mcs_20_stbc[i] == 0)
1458 txpwr->mcs_20_stbc[i] = txpwr->mcs_20_cdd[i];
1460 if (txpwr->mcs_40_stbc[i] == 0)
1461 txpwr->mcs_40_stbc[i] = txpwr->mcs_40_cdd[i];
1465 wlc_phy_txpower_limits_dump(txpwr);
1470 /* Returns true if currently set country is Japan or variant */
1471 static bool wlc_japan(struct wlc_info *wlc)
1473 return wlc_japan_ccode(wlc->cmi->country_abbrev);
1476 /* JP, J1 - J10 are Japan ccodes */
1477 static bool wlc_japan_ccode(const char *ccode)
1479 return (ccode[0] == 'J' &&
1480 (ccode[1] == 'P' || (ccode[1] >= '1' && ccode[1] <= '9')));
1484 * Validate the chanspec for this locale, for 40MHZ we need to also check that the sidebands
1485 * are valid 20MZH channels in this locale and they are also a legal HT combination
1488 wlc_valid_chanspec_ext(wlc_cm_info_t *wlc_cm, chanspec_t chspec, bool dualband)
1490 struct wlc_info *wlc = wlc_cm->wlc;
1491 u8 channel = CHSPEC_CHANNEL(chspec);
1493 /* check the chanspec */
1494 if (brcmu_chspec_malformed(chspec)) {
1495 wiphy_err(wlc->wiphy, "wl%d: malformed chanspec 0x%x\n",
1496 wlc->pub->unit, chspec);
1500 if (CHANNEL_BANDUNIT(wlc_cm->wlc, channel) !=
1501 CHSPEC_WLCBANDUNIT(chspec))
1504 /* Check a 20Mhz channel */
1505 if (CHSPEC_IS20(chspec)) {
1507 return VALID_CHANNEL20_DB(wlc_cm->wlc, channel);
1509 return VALID_CHANNEL20(wlc_cm->wlc, channel);
1511 #ifdef SUPPORT_40MHZ
1512 /* We know we are now checking a 40MHZ channel, so we should only be here
1515 if (WLCISNPHY(wlc->band) || WLCISSSLPNPHY(wlc->band)) {
1516 u8 upper_sideband = 0, idx;
1517 u8 num_ch20_entries =
1518 sizeof(chan20_info) / sizeof(struct chan20_info);
1520 if (!VALID_40CHANSPEC_IN_BAND(wlc, CHSPEC_WLCBANDUNIT(chspec)))
1524 if (!VALID_CHANNEL20_DB(wlc, LOWER_20_SB(channel)) ||
1525 !VALID_CHANNEL20_DB(wlc, UPPER_20_SB(channel)))
1528 if (!VALID_CHANNEL20(wlc, LOWER_20_SB(channel)) ||
1529 !VALID_CHANNEL20(wlc, UPPER_20_SB(channel)))
1533 /* find the lower sideband info in the sideband array */
1534 for (idx = 0; idx < num_ch20_entries; idx++) {
1535 if (chan20_info[idx].sb == LOWER_20_SB(channel))
1536 upper_sideband = chan20_info[idx].adj_sbs;
1538 /* check that the lower sideband allows an upper sideband */
1539 if ((upper_sideband & (CH_UPPER_SB | CH_EWA_VALID)) ==
1540 (CH_UPPER_SB | CH_EWA_VALID))
1549 bool wlc_valid_chanspec_db(wlc_cm_info_t *wlc_cm, chanspec_t chspec)
1551 return wlc_valid_chanspec_ext(wlc_cm, chspec, true);